Hoffman, G. A. (1963). Urban underground highways and parking facilities. Rand Corp.
Chicago Style (17th ed.) CitationHoffman, George A. Urban Underground Highways and Parking Facilities. Santa Monica, Calif: Rand Corp, 1963.
ציטוט MLAHoffman, George A. Urban Underground Highways and Parking Facilities. Rand Corp, 1963.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.